997788194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1\times {\mathrm{761}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 1628363520

約数和(自身を除く): 630575326

約数列:

[1, 2, 13, 26, 211, 239, 422, 478, 761, 1522, 2743, 3107, 5486, 6214, 9893, 19786, 50429, 100858, 160571, 181879, 321142, 363758, 655577, 1311154, 2087423, 2364427, 4174846, 4728854, 38376469, 76752938, 498894097, 997788194]

約数ペア:

[(1, 997788194), (2, 498894097), (13, 76752938), (26, 38376469), (211, 4728854), (239, 4174846), (422, 2364427), (478, 2087423), (761, 1311154), (1522, 655577), (2743, 363758), (3107, 321142), (5486, 181879), (6214, 160571), (9893, 100858), (19786, 50429)]